Apple powermac g3 blue.white Service Manual

 

 Troubleshooting

Symptom Charts/System - 33

 

4 Reseat DIMMS.

5 Reset the logic board. Refer to “Resetting the Logic Board” 

mentioned earlier in this chapter.

6 Replace logic board.

7 Replace processor module.

Fan is running, LED is 

on, drive is accessed 

at startup, no startup 

chime, and screen is 

black

1 Reseat SDRAM DIMMs.

2 Check jumper block configuration at J25. Make sure jumper 

block is correct color for processor type installed (see 

“Jumper Location J25” earlier in this chapter for more 

information) and that it is installed in the correct direction.

3 Check cable connections to the monitor and to the speaker/

microphone ports on the rear of the unit. Are the cables 

connected to the correct ports?

Memory error dialog 

box message appears 

on the screen

1 Reseat SDRAM DIMMs. (

 

: The computer does not ship 

with any on-board memory. You must have a DRAM DIMM 

installed for the computer to boot properly.)